Percentage Change Calculator
Calculate percentage increase or decrease.
Free · No sign-up · Works in your browser
Percentage change
25%
Increase
About the Percentage Change Calculator
Free percentage change calculator — find the percent increase or decrease between two values.
How to use the Percentage Change Calculator
- 1Enter your the original value and the new value.
- 2Read the result instantly — it recalculates as you type.
- 3Adjust the numbers to model different scenarios.
Frequently asked questions
How is percentage change calculated?
Percentage change = (new − old) ÷ |old| × 100. A positive result is an increase; negative is a decrease.
What's the difference between percentage change and percentage points?
Percentage change is relative; percentage points are an absolute difference between two percentages (e.g. 10% to 12% is +2 points, +20%).